3 ### Common per-shell configuration.
5 ###--------------------------------------------------------------------------
8 __mdw_programp () { type >/dev/null 2>&1 "$1"; }
10 __mdw_source_if_exists () {
13 if [ -r "$i" ]; then . "$i"; fi
17 ###--------------------------------------------------------------------------
20 __mdw_set_prompt_hacks () { host=$(hostname); dir=""; }
22 __mdw_set_prompt_pieces () {
26 ## Fancy highlighting in some terminals.
27 local bold unbold nl gitcolour rccolour uncolour
29 bold="" unbold="" nl="" gitcolour="" rccolour="" uncolour="" more=""
30 __mdw_set_prompt_hacks
32 ## Choose the right delimiters. Highlight root prompts specially;
33 ## highlight when I'm running as some other user. Highlight when this
34 ## isn't the outermost shell on the terminal.
35 local left right user u tty
36 user=${USER-${LOGNAME-$(id -un)}}
39 left=$(echo « | iconv -f UTF-8 -t //translit)
40 right=$(echo » | iconv -f UTF-8 -t //translit)
44 mdw | mwooding | nemo) u="" left="[" right="]" ;;
45 *) u="$user@" left="{" right="}" ;;
49 "$tty") left="<" right=">" ;;
50 *) __mdw_tty=$tty; export __mdw_tty ;;
55 ## If this session is insecure then highlight that.
58 case ${SSH_CLIENT-nil},${SCHROOT_CHROOT_NAME-nil},$__mdw_sechost in
59 nil,nil,"$h") sec_l="" sec_r="" ;;
60 nil,nil,*) sec_l="(" sec_r=")" ;;
64 ## If this is an schroot environment or some other interesting augmented
65 ## environment then point this out.
66 hqual="$hqual${SCHROOT_CHROOT_NAME+/$SCHROOT_CHROOT_NAME}"
67 hqual="$hqual${MDW_BUILDENV+/$MDW_BUILDENV}"
69 ## Put together the main pieces.
70 __mdw_prompt_left="$nl$bold$left$sec_l$u$host$hqual$sec_r$dir"
71 __mdw_prompt_git_left="$unbold$gitcolour"
72 __mdw_prompt_git_right="$uncolour$bold"
73 __mdw_prompt_rc_left="$unbold$rccolour"
74 __mdw_prompt_rc_right="$uncolour$bold"
75 __mdw_prompt_right="$right$unbold"
76 __mdw_prompt_more=" $more$bold>$unbold "
80 case "${TERM-dumb}:${INSIDE_EMACS+$INSIDE_EMACS}" in
82 case $(id -u) in 0) PS1='# ' ;; *) PS1='$ ' ;; esac
88 if type __git_ps1 >/dev/null 2>&1; then
89 git="$__mdw_prompt_git_left$(__git_ps1)$__mdw_prompt_git_right"
93 case $__mdw_last_rc in
95 *) rc="$__mdw_prompt_rc_left rc=$__mdw_last_rc$__mdw_prompt_rc_right" ;;
97 PS1="$__mdw_prompt_left$git$rc$__mdw_prompt_right"
98 PS2="$PS1$__mdw_prompt_more"
107 t) printf "
\ek%s
\e\\" "$__mdw_shell" ;;
113 t) printf "
\ek%s
\e\\" "$1" ;;
117 ###--------------------------------------------------------------------------
118 ### Some handy aliases.
121 alias which="command -v"
124 case $# in 0) set -- "${SHELL-/bin/sh}" ;; esac
128 alias re="rootly $EDITOR"
129 alias pstree="pstree -hl"
130 alias cdtmp='cd ${TMPDIR-/tmp}'
131 alias pushtmp='pushd ${TMPDIR-/tmp}'
133 alias svn="svnwrap svn"
135 alias make="nice make"
137 ###--------------------------------------------------------------------------
140 ## Arrange for `ls' output to be in colour.
141 if __mdw_programp dircolors; then eval $(dircolors -b "$HOME/.dircolors")
142 else unset LS_COLORS; fi
144 unalias ls 2>/dev/null || :
146 if [ -t 1 ]; then command ls $LS_OPTIONS ${LS_COLORS+--color=auto} "$@"
147 else command ls "$@"; fi
150 ## Arrange for `grep' output to be in colour.
151 export GREP_COLORS="mt=01;31:ms=01;31:mc=031;31:fn=36:ln=36:bn=36:se=34"
156 command $grep ${GREP_COLORS+--color=always} "$@" | mdw-pager
161 alias grep="greplike grep"
162 alias egrep="greplike egrep"
163 alias fgrep="greplike fgrep"
164 alias zgrep="greplike zgrep"
166 ###--------------------------------------------------------------------------
169 ## Turn off pagers inside Emacs shell buffers.
170 case "$INSIDE_EMACS" in
171 2[2-9].*,comint | [3-9][0-9].*,comint) export PAGER=cat ;;
174 ###--------------------------------------------------------------------------
175 ### More complicated shell functions.
177 ## xt [@HOST] XTERM-ARGS
179 ## Open a terminal, maybe on a remote host.
183 local remote=${1#@} title
185 if [ $# -gt 0 ]; then
186 title="xterm [$remote] $1"
188 title="xterm [$remote]"
190 (xterm -title "$title" -e ssh $remote "$@" &)
200 ## Tweak core dumps on and off, or show the current status.
203 xon|xy|xyes) ulimit -Sc $(ulimit -Hc) ;;
204 xoff|xn|xno) ulimit -Sc 0 ;;
206 local l=$(ulimit -Sc)
208 0) echo "Core dumps disabled" ;;
209 unlimited) echo "Core dumps enabled" ;;
210 *) echo "Core dump limit is $l blocks" ;;
214 echo >&2 "usage: core [y|n]"
222 ## Set current security world to NAME. With no NAME, print the currently
225 local nfast=${NFAST_HOME-/opt/nfast}
229 echo "${NFAST_KMDATA#$nfast/kmdata-}"
234 elif [ -d "$nfast/kmdata-$1" ]; then
235 kmdata=$nfast/kmdata-$1
237 echo >&2 "world: can't find world $1"
242 0) export NFAST_KMDATA=$kmdata ;;
249 ## path-add [VAR] DIR
251 ## Add DIR to the beginning of PATH-like variable VAR (defaults to PATH) if
252 ## it's not there already.
254 local pathvar export dir val
256 1) pathvar=PATH dir=$1 export="export PATH" ;;
257 2) pathvar=$1 dir=$2 export=: ;;
258 *) echo >&2 "Usage: $0 [VAR] DIR"; return 1 ;;
269 ## path-remove [VAR] DIR
271 ## Remove DIR from PATH-like variable VAR (defaults to PATH); it's not an
272 ## error if DIR isn't in VAR.
274 local pathvar export dir val
276 1) pathvar=PATH dir=$1 export="export PATH" ;;
277 2) pathvar=$1 dir=$2 export=: ;;
278 *) echo >&2 "Usage: $0 [VAR] DIR"; return 1 ;;
283 :"$dir":*) val=${val#$dir:} ;;
284 *:"$dir":) val=${val%:$dir} ;;
285 *:"$dir":*) val=${val%%:$dir:*}:${val#*:$dir:} ;;
291 ## pathhack [-f] +HACK|-HACK...
293 ## Each HACK refers to a subdirectory of `~/bin/hacks'. A hack name preceded
294 ## by `+' adds the directory to the PATH; a `-' removes. Adding a hack
295 ## that's already on the PATH doesn't do anything unless `-f' is set, in
296 ## which case it gets moved to the beginning. With no arguments, print the
297 ## currently installed hacks.
299 local p e force arg hack dir
301 if [ $# -eq 0 ]; then
304 case "$e" in "$HOME/bin/hacks/"*) echo ${e#$HOME/bin/hacks/} ;; esac
305 case "$p" in *:*) p=${p#*:} ;; *) break ;; esac
310 while [ $# -gt 0 ]; do
313 -f | --force) force=t; shift; continue ;;
319 dir=$HOME/bin/hacks/$hack
320 if ! [ -d "$dir" ]; then
321 echo "$0: path hack $hack not found"
324 case "$arg,$force,:$PATH:" in
325 -*,*,*:"$dir":*) path_remove p "$dir" ;;
326 +*,t,*:"$dir":*) path_remove p "$dir"; path_add p "$dir" ;;
327 +*,nil,*:"$dir":*) ;;
328 +*,*) path_add p "$dir" ;;
332 if [ $# -eq 0 ]; then PATH=$p; export PATH
333 else PATH=$p "$@"; fi
336 ###--------------------------------------------------------------------------
337 ### Finishing touches.
339 ## Make sure `$HOME/bin' is on the path.
342 ## Set the temporary directory again. (A setuid or setgid program may have
343 ## unhelpfully forgotten this for us.)
346 *) if __mdw_programp tmpdir; then eval $(tmpdir -b); fi ;;
349 ## For `root' use -- some simple molly-guards.
352 alias rm="rm -i" cp="cp -i" mv="mv -i"
357 ## Run any local hooks.
358 __mdw_source_if_exists "$HOME/.shell-local"
360 ###----- That's all, folks --------------------------------------------------